TAILIEUCHUNG - ISDN Lab Scenario 1 -- OSPF Build to Specifications

This lab is designed to be a build-to-specifications test. There are numerous issues that need to be addressed for this lab to work correctly. The lab is designed to illustrate some of the problems associated with ISDN and link state routing protocols, such as OSPF. This lab will concentrate on dialer profiles while the second lab scenario will be a troubleshooting scenario based on a distance vector protocol and legacy DDR configuration. The two scenarios are designed to thoroughly test your knowledge of the basics of ISDN configuration. All CCIE candidates are well advised to master all aspects of ISDN. Make use of the question. | CertificationZone Page 1 of 16 Date of Issue 11-01-2000 ISDN Lab Scenario 1 -- OSPF Build to Specifications Introduction This lab is designed to be a build-to-specifications test. There are numerous issues that need to be addressed for this lab to work correctly. The lab is designed to illustrate some of the problems associated with ISDN and link state routing protocols such as OSPF. This lab will concentrate on dialer profiles while the second lab scenario will be a troubleshooting scenario based on a distance vector protocol and legacy DDR configuration. The two scenarios are designed to thoroughly test your knowledge of the basics of ISDN configuration. All CCIE candidates are well advised to master all aspects of ISDN. Make use of the question mark for each ISDN command and each PPP command and write your own scenarios so that you have seen every possible option for every command before you attempt the CCIE lab exam. These labs are also designed to force you to concentrate on ISDN configurations by limiting the amount of external equipment while maximizing IOS features such as virtual token-ring interfaces and loopbacks for added complexity. Network Specifications When you are finished troubleshooting the network it should meet the following specifications 1. 1. Configure dialer profiles on each router. 2. 2. Use a form of authentication that does not send the password over the network in the clear where a sniffer might be able to intercept it. Use the hostname CCIE1 for router 1 and CCIE2 for router 2 for authentication but the router hostnames must be r1 and r2 respectively. 3. 3. Do not allow OSPF hellos to keep the ISDN line up indefinitely. The ISDN line should only come up when the Ethernet connection fails. 4. 4. Configure OSPF for the network. The ISDN link the Ethernet and the loopback 0 interfaces on each router should be placed into OSPF area 0. On router 1 loopback 1 should be placed in OSPF area 1 and loopback 2 should be placed into OSPF area 2. .

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